WebModel EM-30 series dampers with a width or height less than 24 in. (610mm) leak a maximum of: • 27.5 cfm/ft2 or less at 1.0 inches w.g. *Note: This model complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers. Air Leakage Pressure Drop 24 in. x 24 in. Damper (610mm x … WebContinental Fan BDD100 Series Backdraft Damper, 4". Features: Neoprene damper seal minimizes leakage. 20 gauge steel housing, aluminum spring loaded butterfly damper …
Master Flow 7 in. x 7 in. Butterfly Damper BDD7 - The …
WebI 39 BDD w/ 440V Motor: MOTORIZED BACKDRAFT DAMPER - with flange, damper is 39" sq., 2" deep, O.D. of flange is 41" sq. Actuator is 460V For the BDU36, BDCR36 $314.94 Add to Cart : Ordering Help For detailed information about a product, click the "Part #". To order: Enter the quantity of the product(s) you want. ... WebBDD backdraft dampers are available in the spring-loaded and gravity style backdraft dampers. The spring loaded dampers feature a center pin design in 4 inch, 5 inch, 6 inch and 8 inch models and a center post design in 10 inch and 12 inch models. The gravity damper features a galvanized steel housing and aluminum butterfly damper blades. greene\\u0027s flower shoppe
Backdraft Dampers - Continental Fan
WebBack Draft Dampers - BDD B-30Series Model: BDD-GAB-31/32; Blade Width : 1 –Up to 100mm; 2 –Up to 150mm Type : A - Wall mounted ; B - Duct Mounted; C - Flush … WebA complete line of damper products for fire and smoke control in life safety systems and for airflow control in commercial HVAC and industrial systems. Damper products serve a valuable role in air movement. Products cover a wide variety of applications ranging from life safety to maintaining the control of outside air. WebFabric Backdraft Damper. The FDB features neoprene coated fiberglass 'blades' in a galvanized steel frame. Appropriate for use up to a maximum velocity of 1,000 fpm, the FBD's nonmetallic blades offer quiet operation with no metallic noises and long-term operation due to no mechanical pivots. Exceptional resistance to tearing, moisture, … fluid induced asphyxia